879428245 has 8 divisors (see below), whose sum is σ = 1055493720. Its totient is φ = 703422720.

The previous prime is 879428227. The next prime is 879428257. The reversal of 879428245 is 542824978.

It can be written as a sum of positive squares in 4 ways, for example, as 240653169 + 638775076 = 15513^2 + 25274^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 879428245 - 2⁷ = 879428117 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29065 + ... + 51025.

It is an arithmetic number, because the mean of its divisors is an integer number (131936715).

Almost surely, 2^879428245 is an apocalyptic number.

It is an amenable number.

879428245 is a deficient number, since it is larger than the sum of its proper divisors (176065475).

879428245 is a wasteful number, since it uses less digits than its factorization.

879428245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29975.

The product of its digits is 1290240, while the sum is 49.

The square root of 879428245 is about 29655.1554539847. The cubic root of 879428245 is about 958.0763871866.

The spelling of 879428245 in words is "eight hundred seventy-nine million, four hundred twenty-eight thousand, two hundred forty-five".